Former Anglo chief David Drumm joked "another day, another billion" as cash flowed out of the doomed bank before the September 2008 guarantee.

The news comes as it emerged the Government was considering holding a second referendum aimed at giving it sweeping powers to investigate the banking crisis.

The Taoiseach has said he would prefer an Oireachtas committee inquiry but there is debate within Government about other options open to them.

The latest batch of Anglo tapes reveal how the bank's bosses came up with a plan to keep the toxic institution running while also out-smarting the Financial Regulator.

It is understood that Drumm features prominently in the tapes, cracking his "another day, another billion" while €1billion in deposits was flowing from the bank every day. It is believed politicians also come under the spotlight.

Former Taoiseach Brian Cowen has said he's "very surprised" about what has emerged in the tapes. It's also been revealed that his cabinet did not know they existed.

You can listen to the tape released yesterday, where David Drumm jokes about abusing the banking guarantee, here.

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An earlier tape, which hears John Bowe and Peter Fitzgerald discuss negotiations with the regulator days before the bank guarantee, can be heard here.